On offense, the Colts signed quarterback Adam Trafalis of San Jose State, receivers Charles Dillon of Washington State, Rudy Burgess of Arizona State and Samuel Giguere of Sherbrook College in Canada, running back Chad Simpson of Morgan State and tackle Darren Marquez of Southern Illinois.

The 13 free agents will join the nine players selected in last weekend's draft for a three-day rookie minicamp that begins on Friday at the Colts' headquarters.